/Engine/Source/Editor/UnrealEd/Classes/Commandlets/BaseIteratePackagesCommandlet.h
void CheckoutAndSavePackage ( [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * Package, [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & SublevelFilenames, bool bIgnoreAlreadyCheckedOut )